How to override default colors from an existing Color Scheme in Windows 10 XAML controls
This example illustrates how to override default colors of an existing color scheme in Windows 10 XAML controls. In the current implementation, the background of the RibbonControl header is overridden to #FF217346 in the Generic scheme and to #FF093467 in the Win8 scheme.
Staring with v17.1, colors can be defined in code by overriding specific values in related ThemeManager dictionaries.
Refer to the OverrideThemeColors method in the App.xaml.cs file for more information.
If you wish to do this in an older version, refer to the How to override default colors from an existing Color Scheme in Windows 10 XAML controls [Deprecated] example for a solution.